Blog
The Bertrand expert blog was created so that we can share with you our knowledge and many years of experience in the window industry. Articles containing professional advice from our experts appear regularly here. To learn more about what you should pay attention to when choosing doors or how to properly install windows, just follow the blog.
New PVC system in Bertrand's offer! BB Line 84 is an innovative system designed for maximum energy efficiency and…
Generally speaking, glazing bars are structural elements that divide the glass in windows into smaller sections, called panes. The name comes from…
In our regular series #LudzieBertrand we would like to introduce you to Robert. He has been with us for some time, but recently in a new role. And…
We are probably the first company in Poland to introduce wooden-aluminium windows to our offer. Why is this product gaining popularity?…
Bertrand returned to the company after a year. The employees welcomed him as "one of their own". He is coming back to us in a new role, but this...
Fogging windows is a common problem that occurs especially in autumn and winter. It is caused by the temperature difference between the inside of the room…
Did you know that millions of birds die every year from collisions with building windows? The problem is growing, especially in cities with…
Summer is in full swing and that means more time spent outdoors, relaxing on the terrace or balcony. So that these…
We are pleased to announce that our offer now includes the latest aluminum systems from Cortizo. They combine modern technology with…
What types of glass are available on the market? The answer is very simple: there are a lot of them and the customer definitely has…
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